The Samsung DDR4-2133 8GB/512Mx64 CL15 Laptop Memory M471A1G43DB0-CPB is a high-quality memory module designed for laptops. With a total capacity of 8GB and a form factor of SO-DIMM, this DDR4 SDRAM module is perfect for boosting the performance of your laptop. It features a bus speed of PC4-17000 (DDR4-2133) and is equipped with ECC memory for enhanced data reliability. The compact design and reliable performance make it a great choice for upgrading your laptop's memory capacity.